prettyness police

[unix-history] / usr / src / usr.bin / ar / append.c

/*-
* Copyright (c) 1990, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Hugh Smith at The University of Guelph.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)append.c    8.2 (Berkeley) %G%";
#endif /* not lint */

#include <sys/param.h>
#include <sys/stat.h>

#include <err.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>

#include "archive.h"
#include "extern.h"

/*
* append --
*      Append files to the archive - modifies original archive or creates
*      a new archive if named archive does not exist.
*/
int
append(argv)
       char **argv;
{
       int afd, fd, eval;
       char *file;
       CF cf;
       struct stat sb;

       afd = open_archive(O_CREAT|O_RDWR);
       if (lseek(afd, (off_t)0, SEEK_END) == (off_t)-1)
               error(archive);

       /* Read from disk, write to an archive; pad on write. */
       SETCF(0, 0, afd, archive, WPAD);
       for (eval = 0; file = *argv++;) {
               if ((fd = open(file, O_RDONLY)) < 0) {
                       warn("%s", file);
                       eval = 1;
                       continue;
               }
               if (options & AR_V)
                       (void)printf("q - %s\n", file);
               cf.rfd = fd;
               cf.rname = file;
               put_arobj(&cf, &sb);
               (void)close(fd);
       }
       close_archive(afd);
       return (eval);  
}